Fleet Week traffic trapped Andrew Chen's Waymo for 15 min until humans-in-the-loop rerouted it

andrewchen · x · 2026-10-12

a16z partner Andrew Chen hit Fleet Week traffic in SF: his Waymo was blocked for 15 minutes and had to escalate to humans in the loop to reroute, making a hilarious left turn and big loop — a 20-minute ride turned into a 50-minute detour. A concrete example of Waymo's human-in-the-loop handling under abnormal road conditions.

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